Half-Life of a Flame

Bakugo Katsuki x OC.
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Being a top-ranking Pro Hero isn't a badge of glory; it's an unforgiving tax.

At twenty-seven, Katsuki Bakugou holds the Number Two spot on the Billboard Chart by driving his body past every human breaking point. His life is a relentless cycle of explosive violence, suppressed joint pain, and an unyielding obsession with perfection. He doesn't ask for help, and he certainly doesn't need anyone catching his blast zone.

Enter Ren Hayashi-code name Threshold.

Operating out of a quiet district with a Quirk built to absorb kinetic force and internalize massive heat, Ren has spent her career acting as a human impact shield for everyone else's damage. She is quiet, unflappable, and entirely unimpressed by Katsuki's volatile rage.

When a high-stakes Commission mandate forces their agencies into a joint operation against a dangerous underground cartel, two dangerously stubborn heroes are forced to share the same space. Between dark briefing rooms, late-night apartment balconies, and the physical breakdown of their own bodies, the walls they've built begin to crack.

In a world where both are built to burn themselves out for the job, standing together might be the only way left to survive the collateral damage.